DG+IG project to transform a San Francisco neighborhood - Clean Coalition

DG+IG project to transform a San Francisco neighborhood

Through its leadership on the Hunters Point Project, the Clean Coalition is creating a world-class example for guiding San Francisco and other communities on reaping the benefits of clean local energy.

Craig Lewis

The Clean Coalition – in collaboration with the City of San Francisco, PG&E, and others organizations – is spearheading a groundbreaking clean local energy project in the Hunters Point area of San Francisco. The Hunters Point Distributed Generation + Intelligent Grid (DG+IG) Project is one of several undertakings the Clean Coalition is conducting to prove that local renewables can achieve at least 25% of total electric energy needs within the distribution grid while maintaining or improving power quality, reliability, and resilience.

Designed to highlight the technical and economic viability of achieving high penetrations of clean local energy, the Hunters Point Project marks a key step in fulfilling one of the Clean Coalition’s overarching objectives: from 2020 onwards, at least 50% of all new energy generation in the United States come from local sources. In addition to proving the technical and economic viability of high penetrations of local renewables, DG+IG projects set the stage for Substation Microgrids.


Importantly, the Project will serve as a model to guide the nation’s rapid energy transition, improve grid performance in terms of power quality, reliability, and resilience, and will engage all communities – from underserved to affluent – in the new energy economy. To ensure success, the Hunters Point DG+IG Project will model the entire grid area served by the Hunters Point substation and simulate the grid performance in the comprehensive and cost-optimized DG+IG scenario.

The Clean Coalition is currently working with PG&E and various San Francisco agencies to model high penetrations of DG, identify rooftops and parking lots as potential sites to host local solar, and find opportunities for biogas and wind projects in Hunters Point. Advanced inverters, demand response, energy storage and monitoring, communications, and control (MC2) solutions are being evaluated to maximize the benefits of DG+IG.

DG+IG projects like the one in Hunters Point will set the stage for fully featured Substation Microgrids that offer many benefits, including:

  1. Maximizing renewable energy in the near-term
  2. Enhancing the grid through improved power quality, reliability, and resilience
  3. Localizing economic benefits, such as creating community jobs, keeping energy spending local, and providing investment opportunities to local residents and businesses
  4. Improving grid efficiency by eliminating significant costs and power losses associated with the long-distance transmission of energy
  5. Enhancing the quality of life for local communities by replacing dirty fossil fuel power plants that endanger human and environmental health

Through its leadership on the Hunters Point Project, the Clean Coalition is creating a world-class example for guiding San Francisco and communities around the globe for reaping the benefits of clean local energy.

Craig Lewis

Founder and Executive Director

Craig founded the Clean Coalition in 2009 and has over 30 years of experience in policy and technology innovation, including the proliferation of Solar Microgrids and Community Microgrids. Prior to founding the Clean Coalition, Craig held numerous positions in the wireless, semiconductor, banking, and renewable energy industries. Previously VP of Government Relations at GreenVolts, he was the first to successfully navigate a solar project through California’s Renewable Portfolio Standard solicitation process. Craig was energy policy lead on Steve Westly’s 2006 California gubernatorial campaign. His resume includes senior government relations, corporate development, and marketing positions at leading wireless, semiconductor, and banking companies such as Qualcomm, Ericsson, and Barclays Bank. Craig received an MBA and MSEE from the University of Southern California and a BSEE from the University of California, Berkeley.